crates/db_views/src/post_view.rs

   1 use crate::structs::{LocalUserView, PostView};
   2 use diesel::{
   3   debug_query,
   4   dsl::{now, IntervalDsl},
   5   pg::Pg,
   6   result::Error,
   7   sql_function,
   8   sql_types,
   9   BoolExpressionMethods,
  10   ExpressionMethods,
  11   JoinOnDsl,
  12   NullableExpressionMethods,
  13   PgTextExpressionMethods,
  14   QueryDsl,
  15 };
  16 use diesel_async::RunQueryDsl;
  17 use lemmy_db_schema::{
  18   aggregates::structs::PostAggregates,
  19   newtypes::{CommunityId, LocalUserId, PersonId, PostId},
  20   schema::{
  21     community,
  22     community_block,
  23     community_follower,
  24     community_moderator,
  25     community_person_ban,
  26     local_user_language,
  27     person,
  28     person_block,
  29     person_post_aggregates,
  30     post,
  31     post_aggregates,
  32     post_like,
  33     post_read,
  34     post_saved,
  35   },
  36   source::{
  37     community::{Community, CommunityFollower, CommunityPersonBan},
  38     person::Person,
  39     person_block::PersonBlock,
  40     post::{Post, PostRead, PostSaved},
  41   },
  42   traits::JoinView,
  43   utils::{fuzzy_search, limit_and_offset, DbConn, DbPool, ListFn, Queries, ReadFn},
  44   ListingType,
  45   SortType,
  46 };
  47 use tracing::debug;
  48
  49 type PostViewTuple = (
  50   Post,
  51   Person,
  52   Community,
  53   Option<CommunityPersonBan>,
  54   PostAggregates,
  55   Option<CommunityFollower>,
  56   Option<PostSaved>,
  57   Option<PostRead>,
  58   Option<PersonBlock>,
  59   Option<i16>,
  60   i64,
  61 );
  62
  63 sql_function!(fn coalesce(x: sql_types::Nullable<sql_types::BigInt>, y: sql_types::BigInt) -> sql_types::BigInt);
  64
  65 fn queries<'a>() -> Queries<
  66   impl ReadFn<'a, PostView, (PostId, Option<PersonId>, Option<bool>)>,
  67   impl ListFn<'a, PostView, PostQuery<'a>>,
  68 > {
  69   let all_joins = |query: post_aggregates::BoxedQuery<'a, Pg>, my_person_id: Option<PersonId>| {
  70     // The left join below will return None in this case
  71     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
  72
  73     query
  74       .inner_join(person::table)
  75       .inner_join(community::table)
  76       .left_join(
  77         community_person_ban::table.on(
  78           post_aggregates::community_id
  79             .eq(community_person_ban::community_id)
  80             .and(community_person_ban::person_id.eq(post_aggregates::creator_id)),
  81         ),
  82       )
  83       .inner_join(post::table)
  84       .left_join(
  85         community_follower::table.on(
  86           post_aggregates::community_id
  87             .eq(community_follower::community_id)
  88             .and(community_follower::person_id.eq(person_id_join)),
  89         ),
  90       )
  91       .left_join(
  92         community_moderator::table.on(
  93           post::community_id
  94             .eq(community_moderator::community_id)
  95             .and(community_moderator::person_id.eq(person_id_join)),
  96         ),
  97       )
  98       .left_join(
  99         post_saved::table.on(
 100           post_aggregates::post_id
 101             .eq(post_saved::post_id)
 102             .and(post_saved::person_id.eq(person_id_join)),
 103         ),
 104       )
 105       .left_join(
 106         post_read::table.on(
 107           post_aggregates::post_id
 108             .eq(post_read::post_id)
 109             .and(post_read::person_id.eq(person_id_join)),
 110         ),
 111       )
 112       .left_join(
 113         person_block::table.on(
 114           post_aggregates::creator_id
 115             .eq(person_block::target_id)
 116             .and(person_block::person_id.eq(person_id_join)),
 117         ),
 118       )
 119       .left_join(
 120         post_like::table.on(
 121           post_aggregates::post_id
 122             .eq(post_like::post_id)
 123             .and(post_like::person_id.eq(person_id_join)),
 124         ),
 125       )
 126       .left_join(
 127         person_post_aggregates::table.on(
 128           post_aggregates::post_id
 129             .eq(person_post_aggregates::post_id)
 130             .and(person_post_aggregates::person_id.eq(person_id_join)),
 131         ),
 132       )
 133   };
 134
 135   let selection = (
 136     post::all_columns,
 137     person::all_columns,
 138     community::all_columns,
 139     community_person_ban::all_columns.nullable(),
 140     post_aggregates::all_columns,
 141     community_follower::all_columns.nullable(),
 142     post_saved::all_columns.nullable(),
 143     post_read::all_columns.nullable(),
 144     person_block::all_columns.nullable(),
 145     post_like::score.nullable(),
 146     coalesce(
 147       post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 148       post_aggregates::comments,
 149     ),
 150   );
 151
 152   let read = move |mut conn: DbConn<'a>,
 153                    (post_id, my_person_id, is_mod_or_admin): (
 154     PostId,
 155     Option<PersonId>,
 156     Option<bool>,
 157   )| async move {
 158     // The left join below will return None in this case
 159     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
 160
 161     let mut query = all_joins(
 162       post_aggregates::table
 163         .filter(post_aggregates::post_id.eq(post_id))
 164         .into_boxed(),
 165       my_person_id,
 166     )
 167     .select(selection);
 168
 169     // Hide deleted and removed for non-admins or mods
 170     if !is_mod_or_admin.unwrap_or(false) {
 171       query = query
 172         .filter(community::removed.eq(false))
 173         .filter(post::removed.eq(false))
 174         // users can see their own deleted posts
 175         .filter(
 176           community::deleted
 177             .eq(false)
 178             .or(post::creator_id.eq(person_id_join)),
 179         )
 180         .filter(
 181           post::deleted
 182             .eq(false)
 183             .or(post::creator_id.eq(person_id_join)),
 184         );
 185     }
 186
 187     query.first::<PostViewTuple>(&mut conn).await
 188   };
 189
 190   let list = move |mut conn: DbConn<'a>, options: PostQuery<'a>| async move {
 191     let person_id = options.local_user.map(|l| l.person.id);
 192     let local_user_id = options.local_user.map(|l| l.local_user.id);
 193
 194     // The left join below will return None in this case
 195     let person_id_join = person_id.unwrap_or(PersonId(-1));
 196     let local_user_id_join = local_user_id.unwrap_or(LocalUserId(-1));
 197
 198     let mut query = all_joins(post_aggregates::table.into_boxed(), person_id)
 199       .left_join(
 200         community_block::table.on(
 201           post_aggregates::community_id
 202             .eq(community_block::community_id)
 203             .and(community_block::person_id.eq(person_id_join)),
 204         ),
 205       )
 206       .left_join(
 207         local_user_language::table.on(
 208           post::language_id
 209             .eq(local_user_language::language_id)
 210             .and(local_user_language::local_user_id.eq(local_user_id_join)),
 211         ),
 212       )
 213       .select(selection);
 214
 215     let is_profile_view = options.is_profile_view.unwrap_or(false);
 216     let is_creator = options.creator_id == options.local_user.map(|l| l.person.id);
 217     // only show deleted posts to creator
 218     if is_creator {
 219       query = query
 220         .filter(community::deleted.eq(false))
 221         .filter(post::deleted.eq(false));
 222     }
 223
 224     let is_admin = options.local_user.map(|l| l.person.admin).unwrap_or(false);
 225     // only show removed posts to admin when viewing user profile
 226     if !(is_profile_view && is_admin) {
 227       query = query
 228         .filter(community::removed.eq(false))
 229         .filter(post::removed.eq(false));
 230     }
 231
 232     if options.community_id.is_none() {
 233       query = query.then_order_by(post_aggregates::featured_local.desc());
 234     } else if let Some(community_id) = options.community_id {
 235       query = query
 236         .filter(post_aggregates::community_id.eq(community_id))
 237         .then_order_by(post_aggregates::featured_community.desc());
 238     }
 239
 240     if let Some(creator_id) = options.creator_id {
 241       query = query.filter(post_aggregates::creator_id.eq(creator_id));
 242     }
 243
 244     if let Some(listing_type) = options.listing_type {
 245       match listing_type {
 246         ListingType::Subscribed => {
 247           query = query.filter(community_follower::person_id.is_not_null())
 248         }
 249         ListingType::Local => {
 250           query = query.filter(community::local.eq(true)).filter(
 251             community::hidden
 252               .eq(false)
 253               .or(community_follower::person_id.eq(person_id_join)),
 254           );
 255         }
 256         ListingType::All => {
 257           query = query.filter(
 258             community::hidden
 259               .eq(false)
 260               .or(community_follower::person_id.eq(person_id_join)),
 261           )
 262         }
 263       }
 264     }
 265
 266     if let Some(url_search) = options.url_search {
 267       query = query.filter(post::url.eq(url_search));
 268     }
 269
 270     if let Some(search_term) = options.search_term {
 271       let searcher = fuzzy_search(&search_term);
 272       query = query.filter(
 273         post::name
 274           .ilike(searcher.clone())
 275           .or(post::body.ilike(searcher)),
 276       );
 277     }
 278
 279     if !options
 280       .local_user
 281       .map(|l| l.local_user.show_nsfw)
 282       .unwrap_or(false)
 283     {
 284       query = query
 285         .filter(post::nsfw.eq(false))
 286         .filter(community::nsfw.eq(false));
 287     };
 288
 289     if !options
 290       .local_user
 291       .map(|l| l.local_user.show_bot_accounts)
 292       .unwrap_or(true)
 293     {
 294       query = query.filter(person::bot_account.eq(false));
 295     };
 296
 297     if options.saved_only.unwrap_or(false) {
 298       query = query.filter(post_saved::post_id.is_not_null());
 299     }
 300
 301     if options.moderator_view.unwrap_or(false) {
 302       query = query.filter(community_moderator::person_id.is_not_null());
 303     }
 304     // Only hide the read posts, if the saved_only is false. Otherwise ppl with the hide_read
 305     // setting wont be able to see saved posts.
 306     else if !options
 307       .local_user
 308       .map(|l| l.local_user.show_read_posts)
 309       .unwrap_or(true)
 310     {
 311       query = query.filter(post_read::post_id.is_null());
 312     }
 313
 314     if options.local_user.is_some() {
 315       // Filter out the rows with missing languages
 316       query = query.filter(local_user_language::language_id.is_not_null());
 317
 318       // Don't show blocked communities or persons
 319       query = query.filter(community_block::person_id.is_null());
 320       if !options.moderator_view.unwrap_or(false) {
 321         query = query.filter(person_block::person_id.is_null());
 322       }
 323     }
 324
 325     query = match options.sort.unwrap_or(SortType::Hot) {
 326       SortType::Active => query
 327         .then_order_by(post_aggregates::hot_rank_active.desc())
 328         .then_order_by(post_aggregates::published.desc()),
 329       SortType::Hot => query
 330         .then_order_by(post_aggregates::hot_rank.desc())
 331         .then_order_by(post_aggregates::published.desc()),
 332       SortType::Controversial => query.then_order_by(post_aggregates::controversy_rank.desc()),
 333       SortType::New => query.then_order_by(post_aggregates::published.desc()),
 334       SortType::Old => query.then_order_by(post_aggregates::published.asc()),
 335       SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
 336       SortType::MostComments => query
 337         .then_order_by(post_aggregates::comments.desc())
 338         .then_order_by(post_aggregates::published.desc()),
 339       SortType::TopAll => query
 340         .then_order_by(post_aggregates::score.desc())
 341         .then_order_by(post_aggregates::published.desc()),
 342       SortType::TopYear => query
 343         .filter(post_aggregates::published.gt(now - 1.years()))
 344         .then_order_by(post_aggregates::score.desc())
 345         .then_order_by(post_aggregates::published.desc()),
 346       SortType::TopMonth => query
 347         .filter(post_aggregates::published.gt(now - 1.months()))
 348         .then_order_by(post_aggregates::score.desc())
 349         .then_order_by(post_aggregates::published.desc()),
 350       SortType::TopWeek => query
 351         .filter(post_aggregates::published.gt(now - 1.weeks()))
 352         .then_order_by(post_aggregates::score.desc())
 353         .then_order_by(post_aggregates::published.desc()),
 354       SortType::TopDay => query
 355         .filter(post_aggregates::published.gt(now - 1.days()))
 356         .then_order_by(post_aggregates::score.desc())
 357         .then_order_by(post_aggregates::published.desc()),
 358       SortType::TopHour => query
 359         .filter(post_aggregates::published.gt(now - 1.hours()))
 360         .then_order_by(post_aggregates::score.desc())
 361         .then_order_by(post_aggregates::published.desc()),
 362       SortType::TopSixHour => query
 363         .filter(post_aggregates::published.gt(now - 6.hours()))
 364         .then_order_by(post_aggregates::score.desc())
 365         .then_order_by(post_aggregates::published.desc()),
 366       SortType::TopTwelveHour => query
 367         .filter(post_aggregates::published.gt(now - 12.hours()))
 368         .then_order_by(post_aggregates::score.desc())
 369         .then_order_by(post_aggregates::published.desc()),
 370       SortType::TopThreeMonths => query
 371         .filter(post_aggregates::published.gt(now - 3.months()))
 372         .then_order_by(post_aggregates::score.desc())
 373         .then_order_by(post_aggregates::published.desc()),
 374       SortType::TopSixMonths => query
 375         .filter(post_aggregates::published.gt(now - 6.months()))
 376         .then_order_by(post_aggregates::score.desc())
 377         .then_order_by(post_aggregates::published.desc()),
 378       SortType::TopNineMonths => query
 379         .filter(post_aggregates::published.gt(now - 9.months()))
 380         .then_order_by(post_aggregates::score.desc())
 381         .then_order_by(post_aggregates::published.desc()),
 382     };
 383
 384     let (limit, offset) = limit_and_offset(options.page, options.limit)?;
 385
 386     query = query.limit(limit).offset(offset);
 387
 388     debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
 389
 390     query.load::<PostViewTuple>(&mut conn).await
 391   };
 392
 393   Queries::new(read, list)
 394 }
 395
 396 impl PostView {
 397   pub async fn read(
 398     pool: &mut DbPool<'_>,
 399     post_id: PostId,
 400     my_person_id: Option<PersonId>,
 401     is_mod_or_admin: Option<bool>,
 402   ) -> Result<Self, Error> {
 403     let mut res = queries()
 404       .read(pool, (post_id, my_person_id, is_mod_or_admin))
 405       .await?;
 406
 407     // If a person is given, then my_vote, if None, should be 0, not null
 408     // Necessary to differentiate between other person's votes
 409     if my_person_id.is_some() && res.my_vote.is_none() {
 410       res.my_vote = Some(0)
 411     };
 412
 413     Ok(res)
 414   }
 415 }
 416
 417 #[derive(Default)]
 418 pub struct PostQuery<'a> {
 419   pub listing_type: Option<ListingType>,
 420   pub sort: Option<SortType>,
 421   pub creator_id: Option<PersonId>,
 422   pub community_id: Option<CommunityId>,
 423   pub local_user: Option<&'a LocalUserView>,
 424   pub search_term: Option<String>,
 425   pub url_search: Option<String>,
 426   pub saved_only: Option<bool>,
 427   pub moderator_view: Option<bool>,
 428   pub is_profile_view: Option<bool>,
 429   pub page: Option<i64>,
 430   pub limit: Option<i64>,
 431 }
 432
 433 impl<'a> PostQuery<'a> {
 434   pub async fn list(self, pool: &mut DbPool<'_>) -> Result<Vec<PostView>, Error> {
 435     queries().list(pool, self).await
 436   }
 437 }
 438
 439 impl JoinView for PostView {
 440   type JoinTuple = PostViewTuple;
 441   fn from_tuple(a: Self::JoinTuple) -> Self {
 442     Self {
 443       post: a.0,
 444       creator: a.1,
 445       community: a.2,
 446       creator_banned_from_community: a.3.is_some(),
 447       counts: a.4,
 448       subscribed: CommunityFollower::to_subscribed_type(&a.5),
 449       saved: a.6.is_some(),
 450       read: a.7.is_some(),
 451       creator_blocked: a.8.is_some(),
 452       my_vote: a.9,
 453       unread_comments: a.10,
 454     }
 455   }
 456 }
 457
 458 #[cfg(test)]
 459 mod tests {
 460   #![allow(clippy::unwrap_used)]
 461   #![allow(clippy::indexing_slicing)]
 462
 463   use crate::{
 464     post_view::{PostQuery, PostView},
 465     structs::LocalUserView,
 466   };
 467   use lemmy_db_schema::{
 468     aggregates::structs::PostAggregates,
 469     impls::actor_language::UNDETERMINED_ID,
 470     newtypes::LanguageId,
 471     source::{
 472       actor_language::LocalUserLanguage,
 473       community::{Community, CommunityInsertForm},
 474       community_block::{CommunityBlock, CommunityBlockForm},
 475       instance::Instance,
 476       language::Language,
 477       local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
 478       person::{Person, PersonInsertForm},
 479       person_block::{PersonBlock, PersonBlockForm},
 480       post::{Post, PostInsertForm, PostLike, PostLikeForm, PostUpdateForm},
 481     },
 482     traits::{Blockable, Crud, Likeable},
 483     utils::{build_db_pool_for_tests, DbPool},
 484     SortType,
 485     SubscribedType,
 486   };
 487   use serial_test::serial;
 488
 489   struct Data {
 490     inserted_instance: Instance,
 491     local_user_view: LocalUserView,
 492     inserted_blocked_person: Person,
 493     inserted_bot: Person,
 494     inserted_community: Community,
 495     inserted_post: Post,
 496   }
 497
 498   async fn init_data(pool: &mut DbPool<'_>) -> Data {
 499     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
 500       .await
 501       .unwrap();
 502
 503     let person_name = "tegan".to_string();
 504
 505     let new_person = PersonInsertForm::builder()
 506       .name(person_name.clone())
 507       .public_key("pubkey".to_string())
 508       .instance_id(inserted_instance.id)
 509       .build();
 510
 511     let inserted_person = Person::create(pool, &new_person).await.unwrap();
 512
 513     let local_user_form = LocalUserInsertForm::builder()
 514       .person_id(inserted_person.id)
 515       .password_encrypted(String::new())
 516       .build();
 517     let inserted_local_user = LocalUser::create(pool, &local_user_form).await.unwrap();
 518
 519     let new_bot = PersonInsertForm::builder()
 520       .name("mybot".to_string())
 521       .bot_account(Some(true))
 522       .public_key("pubkey".to_string())
 523       .instance_id(inserted_instance.id)
 524       .build();
 525
 526     let inserted_bot = Person::create(pool, &new_bot).await.unwrap();
 527
 528     let new_community = CommunityInsertForm::builder()
 529       .name("test_community_3".to_string())
 530       .title("nada".to_owned())
 531       .public_key("pubkey".to_string())
 532       .instance_id(inserted_instance.id)
 533       .build();
 534
 535     let inserted_community = Community::create(pool, &new_community).await.unwrap();
 536
 537     // Test a person block, make sure the post query doesn't include their post
 538     let blocked_person = PersonInsertForm::builder()
 539       .name(person_name)
 540       .public_key("pubkey".to_string())
 541       .instance_id(inserted_instance.id)
 542       .build();
 543
 544     let inserted_blocked_person = Person::create(pool, &blocked_person).await.unwrap();
 545
 546     let post_from_blocked_person = PostInsertForm::builder()
 547       .name("blocked_person_post".to_string())
 548       .creator_id(inserted_blocked_person.id)
 549       .community_id(inserted_community.id)
 550       .language_id(Some(LanguageId(1)))
 551       .build();
 552
 553     Post::create(pool, &post_from_blocked_person).await.unwrap();
 554
 555     // block that person
 556     let person_block = PersonBlockForm {
 557       person_id: inserted_person.id,
 558       target_id: inserted_blocked_person.id,
 559     };
 560
 561     PersonBlock::block(pool, &person_block).await.unwrap();
 562
 563     // A sample post
 564     let new_post = PostInsertForm::builder()
 565       .name("test post 3".to_string())
 566       .creator_id(inserted_person.id)
 567       .community_id(inserted_community.id)
 568       .language_id(Some(LanguageId(47)))
 569       .build();
 570
 571     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 572
 573     let new_bot_post = PostInsertForm::builder()
 574       .name("test bot post".to_string())
 575       .creator_id(inserted_bot.id)
 576       .community_id(inserted_community.id)
 577       .build();
 578
 579     let _inserted_bot_post = Post::create(pool, &new_bot_post).await.unwrap();
 580     let local_user_view = LocalUserView {
 581       local_user: inserted_local_user,
 582       person: inserted_person,
 583       counts: Default::default(),
 584     };
 585
 586     Data {
 587       inserted_instance,
 588       local_user_view,
 589       inserted_blocked_person,
 590       inserted_bot,
 591       inserted_community,
 592       inserted_post,
 593     }
 594   }
 595
 596   #[tokio::test]
 597   #[serial]
 598   async fn post_listing_with_person() {
 599     let pool = &build_db_pool_for_tests().await;
 600     let pool = &mut pool.into();
 601     let mut data = init_data(pool).await;
 602
 603     let local_user_form = LocalUserUpdateForm::builder()
 604       .show_bot_accounts(Some(false))
 605       .build();
 606     let inserted_local_user =
 607       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 608         .await
 609         .unwrap();
 610     data.local_user_view.local_user = inserted_local_user;
 611
 612     let read_post_listing = PostQuery {
 613       sort: (Some(SortType::New)),
 614       community_id: (Some(data.inserted_community.id)),
 615       local_user: (Some(&data.local_user_view)),
 616       ..Default::default()
 617     }
 618     .list(pool)
 619     .await
 620     .unwrap();
 621
 622     let post_listing_single_with_person = PostView::read(
 623       pool,
 624       data.inserted_post.id,
 625       Some(data.local_user_view.person.id),
 626       None,
 627     )
 628     .await
 629     .unwrap();
 630
 631     let mut expected_post_listing_with_user = expected_post_view(&data, pool).await;
 632
 633     // Should be only one person, IE the bot post, and blocked should be missing
 634     assert_eq!(1, read_post_listing.len());
 635
 636     assert_eq!(expected_post_listing_with_user, read_post_listing[0]);
 637     expected_post_listing_with_user.my_vote = Some(0);
 638     assert_eq!(
 639       expected_post_listing_with_user,
 640       post_listing_single_with_person
 641     );
 642
 643     let local_user_form = LocalUserUpdateForm::builder()
 644       .show_bot_accounts(Some(true))
 645       .build();
 646     let inserted_local_user =
 647       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 648         .await
 649         .unwrap();
 650     data.local_user_view.local_user = inserted_local_user;
 651
 652     let post_listings_with_bots = PostQuery {
 653       sort: (Some(SortType::New)),
 654       community_id: (Some(data.inserted_community.id)),
 655       local_user: (Some(&data.local_user_view)),
 656       ..Default::default()
 657     }
 658     .list(pool)
 659     .await
 660     .unwrap();
 661     // should include bot post which has "undetermined" language
 662     assert_eq!(2, post_listings_with_bots.len());
 663
 664     cleanup(data, pool).await;
 665   }
 666
 667   #[tokio::test]
 668   #[serial]
 669   async fn post_listing_no_person() {
 670     let pool = &build_db_pool_for_tests().await;
 671     let pool = &mut pool.into();
 672     let data = init_data(pool).await;
 673
 674     let read_post_listing_multiple_no_person = PostQuery {
 675       sort: (Some(SortType::New)),
 676       community_id: (Some(data.inserted_community.id)),
 677       ..Default::default()
 678     }
 679     .list(pool)
 680     .await
 681     .unwrap();
 682
 683     let read_post_listing_single_no_person =
 684       PostView::read(pool, data.inserted_post.id, None, None)
 685         .await
 686         .unwrap();
 687
 688     let expected_post_listing_no_person = expected_post_view(&data, pool).await;
 689
 690     // Should be 2 posts, with the bot post, and the blocked
 691     assert_eq!(3, read_post_listing_multiple_no_person.len());
 692
 693     assert_eq!(
 694       expected_post_listing_no_person,
 695       read_post_listing_multiple_no_person[1]
 696     );
 697     assert_eq!(
 698       expected_post_listing_no_person,
 699       read_post_listing_single_no_person
 700     );
 701
 702     cleanup(data, pool).await;
 703   }
 704
 705   #[tokio::test]
 706   #[serial]
 707   async fn post_listing_block_community() {
 708     let pool = &build_db_pool_for_tests().await;
 709     let pool = &mut pool.into();
 710     let data = init_data(pool).await;
 711
 712     let community_block = CommunityBlockForm {
 713       person_id: data.local_user_view.person.id,
 714       community_id: data.inserted_community.id,
 715     };
 716     CommunityBlock::block(pool, &community_block).await.unwrap();
 717
 718     let read_post_listings_with_person_after_block = PostQuery {
 719       sort: (Some(SortType::New)),
 720       community_id: (Some(data.inserted_community.id)),
 721       local_user: (Some(&data.local_user_view)),
 722       ..Default::default()
 723     }
 724     .list(pool)
 725     .await
 726     .unwrap();
 727     // Should be 0 posts after the community block
 728     assert_eq!(0, read_post_listings_with_person_after_block.len());
 729
 730     CommunityBlock::unblock(pool, &community_block)
 731       .await
 732       .unwrap();
 733     cleanup(data, pool).await;
 734   }
 735
 736   #[tokio::test]
 737   #[serial]
 738   async fn post_listing_like() {
 739     let pool = &build_db_pool_for_tests().await;
 740     let pool = &mut pool.into();
 741     let mut data = init_data(pool).await;
 742
 743     let post_like_form = PostLikeForm {
 744       post_id: data.inserted_post.id,
 745       person_id: data.local_user_view.person.id,
 746       score: 1,
 747     };
 748
 749     let inserted_post_like = PostLike::like(pool, &post_like_form).await.unwrap();
 750
 751     let expected_post_like = PostLike {
 752       id: inserted_post_like.id,
 753       post_id: data.inserted_post.id,
 754       person_id: data.local_user_view.person.id,
 755       published: inserted_post_like.published,
 756       score: 1,
 757     };
 758     assert_eq!(expected_post_like, inserted_post_like);
 759
 760     let post_listing_single_with_person = PostView::read(
 761       pool,
 762       data.inserted_post.id,
 763       Some(data.local_user_view.person.id),
 764       None,
 765     )
 766     .await
 767     .unwrap();
 768
 769     let mut expected_post_with_upvote = expected_post_view(&data, pool).await;
 770     expected_post_with_upvote.my_vote = Some(1);
 771     expected_post_with_upvote.counts.score = 1;
 772     expected_post_with_upvote.counts.upvotes = 1;
 773     assert_eq!(expected_post_with_upvote, post_listing_single_with_person);
 774
 775     let local_user_form = LocalUserUpdateForm::builder()
 776       .show_bot_accounts(Some(false))
 777       .build();
 778     let inserted_local_user =
 779       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 780         .await
 781         .unwrap();
 782     data.local_user_view.local_user = inserted_local_user;
 783
 784     let read_post_listing = PostQuery {
 785       sort: (Some(SortType::New)),
 786       community_id: (Some(data.inserted_community.id)),
 787       local_user: (Some(&data.local_user_view)),
 788       ..Default::default()
 789     }
 790     .list(pool)
 791     .await
 792     .unwrap();
 793     assert_eq!(1, read_post_listing.len());
 794
 795     assert_eq!(expected_post_with_upvote, read_post_listing[0]);
 796
 797     let like_removed =
 798       PostLike::remove(pool, data.local_user_view.person.id, data.inserted_post.id)
 799         .await
 800         .unwrap();
 801     assert_eq!(1, like_removed);
 802     cleanup(data, pool).await;
 803   }
 804
 805   #[tokio::test]
 806   #[serial]
 807   async fn post_listing_person_language() {
 808     let pool = &build_db_pool_for_tests().await;
 809     let pool = &mut pool.into();
 810     let data = init_data(pool).await;
 811
 812     let spanish_id = Language::read_id_from_code(pool, Some("es"))
 813       .await
 814       .unwrap()
 815       .unwrap();
 816     let post_spanish = PostInsertForm::builder()
 817       .name("asffgdsc".to_string())
 818       .creator_id(data.local_user_view.person.id)
 819       .community_id(data.inserted_community.id)
 820       .language_id(Some(spanish_id))
 821       .build();
 822
 823     Post::create(pool, &post_spanish).await.unwrap();
 824
 825     let post_listings_all = PostQuery {
 826       sort: (Some(SortType::New)),
 827       local_user: (Some(&data.local_user_view)),
 828       ..Default::default()
 829     }
 830     .list(pool)
 831     .await
 832     .unwrap();
 833
 834     // no language filters specified, all posts should be returned
 835     assert_eq!(3, post_listings_all.len());
 836
 837     let french_id = Language::read_id_from_code(pool, Some("fr"))
 838       .await
 839       .unwrap()
 840       .unwrap();
 841     LocalUserLanguage::update(pool, vec![french_id], data.local_user_view.local_user.id)
 842       .await
 843       .unwrap();
 844
 845     let post_listing_french = PostQuery {
 846       sort: (Some(SortType::New)),
 847       local_user: (Some(&data.local_user_view)),
 848       ..Default::default()
 849     }
 850     .list(pool)
 851     .await
 852     .unwrap();
 853
 854     // only one post in french and one undetermined should be returned
 855     assert_eq!(2, post_listing_french.len());
 856     assert!(post_listing_french
 857       .iter()
 858       .any(|p| p.post.language_id == french_id));
 859
 860     LocalUserLanguage::update(
 861       pool,
 862       vec![french_id, UNDETERMINED_ID],
 863       data.local_user_view.local_user.id,
 864     )
 865     .await
 866     .unwrap();
 867     let post_listings_french_und = PostQuery {
 868       sort: (Some(SortType::New)),
 869       local_user: (Some(&data.local_user_view)),
 870       ..Default::default()
 871     }
 872     .list(pool)
 873     .await
 874     .unwrap();
 875
 876     // french post and undetermined language post should be returned
 877     assert_eq!(2, post_listings_french_und.len());
 878     assert_eq!(
 879       UNDETERMINED_ID,
 880       post_listings_french_und[0].post.language_id
 881     );
 882     assert_eq!(french_id, post_listings_french_und[1].post.language_id);
 883
 884     cleanup(data, pool).await;
 885   }
 886
 887   #[tokio::test]
 888   #[serial]
 889   async fn post_listings_removed() {
 890     let pool = &build_db_pool_for_tests().await;
 891     let pool = &mut pool.into();
 892     let mut data = init_data(pool).await;
 893
 894     // Remove the post
 895     Post::update(
 896       pool,
 897       data.inserted_post.id,
 898       &PostUpdateForm::builder().removed(Some(true)).build(),
 899     )
 900     .await
 901     .unwrap();
 902
 903     // Make sure you don't see the removed post in the results
 904     let post_listings_no_admin = PostQuery {
 905       sort: Some(SortType::New),
 906       local_user: Some(&data.local_user_view),
 907       ..Default::default()
 908     }
 909     .list(pool)
 910     .await
 911     .unwrap();
 912     assert_eq!(1, post_listings_no_admin.len());
 913
 914     // Removed post is shown to admins on profile page
 915     data.local_user_view.person.admin = true;
 916     let post_listings_is_admin = PostQuery {
 917       sort: Some(SortType::New),
 918       local_user: Some(&data.local_user_view),
 919       is_profile_view: Some(true),
 920       ..Default::default()
 921     }
 922     .list(pool)
 923     .await
 924     .unwrap();
 925     assert_eq!(2, post_listings_is_admin.len());
 926
 927     cleanup(data, pool).await;
 928   }
 929
 930   #[tokio::test]
 931   #[serial]
 932   async fn post_listings_deleted() {
 933     let pool = &build_db_pool_for_tests().await;
 934     let pool = &mut pool.into();
 935     let data = init_data(pool).await;
 936
 937     // Delete the post
 938     Post::update(
 939       pool,
 940       data.inserted_post.id,
 941       &PostUpdateForm::builder().deleted(Some(true)).build(),
 942     )
 943     .await
 944     .unwrap();
 945
 946     // Make sure you don't see the deleted post in the results
 947     let post_listings_no_creator = PostQuery {
 948       sort: Some(SortType::New),
 949       ..Default::default()
 950     }
 951     .list(pool)
 952     .await
 953     .unwrap();
 954     let not_contains_deleted = post_listings_no_creator
 955       .iter()
 956       .map(|p| p.post.id)
 957       .all(|p| p != data.inserted_post.id);
 958     assert!(not_contains_deleted);
 959
 960     // Deleted post is shown to creator
 961     let post_listings_is_creator = PostQuery {
 962       sort: Some(SortType::New),
 963       local_user: Some(&data.local_user_view),
 964       ..Default::default()
 965     }
 966     .list(pool)
 967     .await
 968     .unwrap();
 969     let contains_deleted = post_listings_is_creator
 970       .iter()
 971       .map(|p| p.post.id)
 972       .any(|p| p == data.inserted_post.id);
 973     assert!(contains_deleted);
 974
 975     cleanup(data, pool).await;
 976   }
 977
 978   async fn cleanup(data: Data, pool: &mut DbPool<'_>) {
 979     let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
 980     Community::delete(pool, data.inserted_community.id)
 981       .await
 982       .unwrap();
 983     Person::delete(pool, data.local_user_view.person.id)
 984       .await
 985       .unwrap();
 986     Person::delete(pool, data.inserted_bot.id).await.unwrap();
 987     Person::delete(pool, data.inserted_blocked_person.id)
 988       .await
 989       .unwrap();
 990     Instance::delete(pool, data.inserted_instance.id)
 991       .await
 992       .unwrap();
 993     assert_eq!(1, num_deleted);
 994   }
 995
 996   async fn expected_post_view(data: &Data, pool: &mut DbPool<'_>) -> PostView {
 997     let (inserted_person, inserted_community, inserted_post) = (
 998       &data.local_user_view.person,
 999       &data.inserted_community,
1000       &data.inserted_post,
1001     );
1002     let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
1003
1004     PostView {
1005       post: Post {
1006         id: inserted_post.id,
1007         name: inserted_post.name.clone(),
1008         creator_id: inserted_person.id,
1009         url: None,
1010         body: None,
1011         published: inserted_post.published,
1012         updated: None,
1013         community_id: inserted_community.id,
1014         removed: false,
1015         deleted: false,
1016         locked: false,
1017         nsfw: false,
1018         embed_title: None,
1019         embed_description: None,
1020         embed_video_url: None,
1021         thumbnail_url: None,
1022         ap_id: inserted_post.ap_id.clone(),
1023         local: true,
1024         language_id: LanguageId(47),
1025         featured_community: false,
1026         featured_local: false,
1027       },
1028       my_vote: None,
1029       unread_comments: 0,
1030       creator: Person {
1031         id: inserted_person.id,
1032         name: inserted_person.name.clone(),
1033         display_name: None,
1034         published: inserted_person.published,
1035         avatar: None,
1036         actor_id: inserted_person.actor_id.clone(),
1037         local: true,
1038         admin: false,
1039         bot_account: false,
1040         banned: false,
1041         deleted: false,
1042         bio: None,
1043         banner: None,
1044         updated: None,
1045         inbox_url: inserted_person.inbox_url.clone(),
1046         shared_inbox_url: None,
1047         matrix_user_id: None,
1048         ban_expires: None,
1049         instance_id: data.inserted_instance.id,
1050         private_key: inserted_person.private_key.clone(),
1051         public_key: inserted_person.public_key.clone(),
1052         last_refreshed_at: inserted_person.last_refreshed_at,
1053       },
1054       creator_banned_from_community: false,
1055       community: Community {
1056         id: inserted_community.id,
1057         name: inserted_community.name.clone(),
1058         icon: None,
1059         removed: false,
1060         deleted: false,
1061         nsfw: false,
1062         actor_id: inserted_community.actor_id.clone(),
1063         local: true,
1064         title: "nada".to_owned(),
1065         description: None,
1066         updated: None,
1067         banner: None,
1068         hidden: false,
1069         posting_restricted_to_mods: false,
1070         published: inserted_community.published,
1071         instance_id: data.inserted_instance.id,
1072         private_key: inserted_community.private_key.clone(),
1073         public_key: inserted_community.public_key.clone(),
1074         last_refreshed_at: inserted_community.last_refreshed_at,
1075         followers_url: inserted_community.followers_url.clone(),
1076         inbox_url: inserted_community.inbox_url.clone(),
1077         shared_inbox_url: inserted_community.shared_inbox_url.clone(),
1078         moderators_url: inserted_community.moderators_url.clone(),
1079         featured_url: inserted_community.featured_url.clone(),
1080       },
1081       counts: PostAggregates {
1082         id: agg.id,
1083         post_id: inserted_post.id,
1084         comments: 0,
1085         score: 0,
1086         upvotes: 0,
1087         downvotes: 0,
1088         published: agg.published,
1089         newest_comment_time_necro: inserted_post.published,
1090         newest_comment_time: inserted_post.published,
1091         featured_community: false,
1092         featured_local: false,
1093         hot_rank: 1728,
1094         hot_rank_active: 1728,
1095         controversy_rank: 0.0,
1096         community_id: inserted_post.community_id,
1097         creator_id: inserted_post.creator_id,
1098       },
1099       subscribed: SubscribedType::NotSubscribed,
1100       read: false,
1101       saved: false,
1102       creator_blocked: false,
1103     }
1104   }
1105 }